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northbridge/amd/amdfam10: Increase MMIO hole size to 1GB 

On modern mainboards with multiple PCI-e devices and a single
graphics card the default MMIO hole size of 512M is inadequate,
leading to resource-hungry PCI-e devices (such as an external
graphics card) being assigned invalid MMIO ranges.  This, in
turn, causes the entire PCI subsystem to become unavailable,
leading to a failure to boot.

TEST: Booted KGPE-D16 with NVIDIA 7300LE and verified proper
operation of PCI/PCI-e devices, including text mode VGA operation
via the add-on card and its VGA option ROM.

Change-Id: I8d25f4b19f2d0860644ab1ee002c15041437121f
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: http://review.coreboot.org/10428
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
This commit is contained in:
Timothy Pearson 2015-06-04 13:35:45 -05:00 committed by Kyösti Mälkki
parent 0f9aa1c9cd
commit 58e26c74e0
1 changed files with 1 additions and 1 deletions
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src/northbridge/amd/amdfam10/Kconfig
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@ -41,7 +41,7 @@ config HW_MEM_HOLE_SIZE_AUTO_INC
config MMCONF_BASE_ADDRESS
hex
default 0xe0000000
default 0xc0000000
config MMCONF_BUS_NUMBER
int